Sink plunger



FIG. 1 is a perspective view of a sink plunger of the present invention,

FIG. 2 is a right side elevation view of the sink plunger of FIG. 1, theleft side elevation view being identical to the right side elevationview;

FIG. 3 is a front elevation view of the sink plunger of FIG. 1;

FIG. 4 is a back elevation view of the sink plunger of FIG. 1;

FIG. 5 is a top plan view of the sink plunger of FIG. 1; and,

FIG. 6 is a bottom plan view of the sink plunger of FIG. 1.

The broken lines shown are for illustrative purposes only and form nopart of the claimed design.

We claim the ornamental design for a sink plunger, as shown anddescribed.